Apparatus for binding cut edges of pile fabrics



. 3, 1935. w. A. ANDERSON APPARATUS FOR BINDING CUT EDGES OF PILE FABRICS 4 Sheets-Sheet l Filed Jan. ll, 1935 mi?? -u w @NIN Dec 3, 1935- w. A. ANDERSON APPARATUS FOR BINDING CUT EDGES 0F PILE FABRICS Filed Jan. 11, 1935 4 Sheets-Sheet 2 Dec. 3, 1935. W- A ANDERSQN 2,023,378

APPARATUS FOR BINDING CUT EDGES OF PILE FABRICS Filed Jan. 11, 1935 i 4 sheets-sheet 5 Dec. 3, 1935. W, A ANDERSON 2,023,378

APPARATUS FOR BINDING CUT EDGES OF PILE 4FABRICS Filed Jan. 1l, 1935 4 Sheets-Sheet 4 FIG. I/

5 W/IIMWIWWWMWMW M Patented Dec. 3, 1935 UNTED STATES PATENT OFFICE APPARATUS FOR BINDING CUT EDGES OF` PILE FABRICS Application January 11, 1935, Serial No. 1,340

12 Claims.

My invention is designed to effect the method of binding cut edges of pile fabrics claimed'in application Serial No. 741,978 filed August 29, 1934, by Charles Herbert Davison, for Letters Patent of the United States for Improvement in construction of rugs of pile fabrics, wherein binding warps of fabric, which are extended beyond the body of the fabric for about one-half inch, are bent backward upon the face of the fabric opposite to the pile tufts so as to tightiy bind in the fabric the wefts in the cut edge, and are tightly secured on the back of the fabric by an elastic cement and covered bya flat band of thin tough material, for instance, a closely woven textile tape about one inch wide, which is also secured to the back of the fabric, parallel to the plane of the latter, by an elastic cement, with one edge of said band coextensive with the bights of said bent-back binding warps, so that the fabric thus bound will lie fiat upon a plane surface. Y

The apparatus of this invention includes a table for supporting the pile fabric with the cut edge of the latter adjoining a straight edge of the table. A track is provided at that straight edge for a carriage which carries an electric motor for driving it on said track. That carriage also supports means for applying a coating of elastic cement in a strip along the cut edge of the fabric; turning backthe fabric warp ends aforesaid and pressing them into that coating; separately coating a binding band with elastic cement upon one plane face thereof, and applying said band over the warp ends with one edge of the band flush with the cut edge of the fabric, and pressing said band upon the fabric backing so that it is secured by said cement.

My invention includes the various novel features of construction and arrangement hereinafter more definitely specified.

In said drawings, Fig. I is a plan View of the apparatus including a fragment of the straight edge of said table and track, and said carriage and its appurtenances.

Fig. II is a front elevation of the structure shown in Fig. I.

Fig. III is a right hand end elevation of the structure shown in Figs. I and II.

Fig. IV is a fragmentary vertical sectional View, taken on the line IV, IV, in Figs. I and II, in the direction of the arrows on said line.

Fig. V is a fragmentary elevation of the selvage edge of a pile fabric with the binding warps projecting from the cut edge of the fabric in the form to be operated upon by ,Said apparatus,

Fig. VI is a fragmentary perspective view of the right hand corner of the fabric shown in Fig. V showing the binding warp ends turned back upon the backing of the fabric and cemented thereto.

Fig. VII is a fragmentary perspective View of the same corner of the fabric shown in Fig. VI but with the reinforcing band binding the edge of the fabric in its final form.

In said figures, the table I is of such dimensions as to support the fabric 2 and has a substantially straight edge 3 along which the cut edge 4 of the fabric to be bound is placed parallel with said table edge. The track comprising the parailel rails E is supported adjoining said table edge 3 by any suitable means, for instance, the brackets 6. The carriage 'I is arranged to traverse said track and has the truck base 8 provided with four supporting wheels for engagement with said track. The pair of said wheels 9 are idle but the pair of wheels I0 connected by the axle II are traction Wheels by which the carriage is progressed. Said carriage includes the top plate I3 which is rigidly connected with said truck base 8, conveniently by the standards I4. Said plate I 3 has its top extending in a plane substantially that of the top of said table I.

Said carriage 'l' has means for progressing it on said track including the electric motor I6 which is 30 rigidly connected with the truck base 8 and has the pulley I'I on its armature shaft I8 connected by the belt I9 with the pulley 28 on the shaft ZI. Said shaft 2I has the gear 22 in mesh with the gear 23 which is journaled on the stud shaft 24 35 in the bracket 25 rigidly connected with said top plate I3. Said gear 23 carries the pulley 26 con- 'nected bythe belt 2'I with the pulley 28 on the shaft 29 which is journaled in one of said standards I4 and in the bracket 30. Said pulley 28 is 4,0 loose on said shaft 29 but has the crown clutch 3| adapted to be engaged by the crown clutch sleeve 32 which is mounted to reciprocate on said shaft 29 but provided with the key 34 so that turning said sleeve turns said shaft. Said sleeve 45 is adapted to be manually reciprocated by means of the clutch lever 35 which is fulcrumed on the f stud bearing 36 projecting upwardly from saidv truck base 8. Said shaft 29 has, rigidly connected therewith, the gear wheel 3l in mesh with 50 the gear wheel 38 on said axle Il of the traction wheels ID, which axle is journaled in the bearings 39 on said truck base 8. Y

The construction and arrangement above de- Srbed are such that when said electric motor I 6 55 is energized and said clutch connected by moving the handle portion 35 of the clutch lever 35 to the left in Fig. I, said carriage is progressed to the left in Fig. I at the rate of approximately eleven feet per minute.

Said carriage top plate I3 has the guide 4I to determine the position of the cut edge 4 of the fabric 2. Said fabric is laid on the table I with the pile tufts 43 extending downward toward said plate I3, and said guide 4I serves to turn the projecting Warp ends 44 of said fabric backward over the backing 45, as shown in Fig. VI. The cement tank 46 is supported by the bracket 41 on said carriage top I3 so that its discharge opening 48 which is a slot one-sixteenth of an inch wide and one inch long comes within one-fourth of an inch of the cut edge of the fabric which is positioned against said guide 4I. The valve 49 serves to control said discharge outlet 48 which, when open, coats the edge of the fabric with a strip of cement 53 which secures the turned back Warp ends 44 and the reinforcing tape 5I as shown at the near corner of Fig. VII and which is applied as hereinafter described.

Said carriage plate I3 has, rigidly connected therewith, the gear housing 53 which supports the fulcrum 54 of the hand lever 55 which carries the presser roll 56 which is screw threaded as shown in Fig. I and is free to turn on the stud shaft 51 at the end of said lever 55 with its axis parallel with the top of said plate I3 and at right angles to the straight edge 3 of the table. The spring 58 which extends from said housing 53 to said lever 55 continually stresses said lever and presser roll 56 toward the top of said plate E3, adjoining said fabric guide 4I, as shown in Fig. I.

The combing roll 60, which includes the cylindrical tubular band 6I having the serrated edge 63, is rigidly connected with the shaft 64 journaled in said housing 53. The axis of said shaft 64 is parallel with the top of said carriage plate I3 and with the edge 3 of said table, so that the serrated edge of said combing roll is presented in spaced relation with the top of said plate I3 adjoining said fabric guide 4I and presser roll 56, as shown in Fig. I. Said roll 5G is provided with means for rotating it so that it combs the warp ends 44 back from the cut edge of the fabric 2 and toward said edge 3 of the table. Such driving means includes the bevel gear 65 which is fixed on said shaft 64 in mesh with the bevel gear 66 on the shaft 2I which is also `iournaled in said housing, and in the bracket bearing 61 extending from said housing, as shown in Fig. IV. The arrangement is such that whenever said motor I6 is energized, said combing roll 6) is rotated as described.

I find it convenient to provide means for upwardly thrusting the fabric 2 beneath said combing roll B0 in cooperation with said roll, including the platen 69 which is supported by said carriage plate I3 and mounted upon the four stud bolts 10 pendent therefrom, which are provided with nuts 1I for adjustment of the pressure of the springs 12 which respectively encircle said bolts. The effect of that arrangement is that the Warp ends 44 are not only combed into proper position on the back of the fabric 2 but pressed thereon into the strip of cement 50 so as to be securely held thereby.

I provide said carriage plate I3 with means for supporting a roll of the binding tape 5I including the bracket 14 fixed on said plate and carrying the stud shaft 15 at the axis of said roll. I provide means for applying cement 16 to the under surface of said tape 5I including the cement box 11 on said carriage plate I3 provided with the removable lid 18 and the cement roller 19 which is journaled in said box and lid, as shown in Fig. II, so as to dip into cement contained in 6 said box and extend above said box. The tape guide roll 8| is journaled in a pair of brackets 82 on said lid between said bracket 14 and said cement roll 19 so as to insure the proper contact of the undersurface of said tape 5I with l0 the surface of said roller carrying the cement, regardless of the variation in the size of the roll of tape on said shaft 15. In order to press the cemented tape 5I upon the edge of the fabric 2 which is to be bound, I provide `the tape presser 15 roll 83 which, as shown in Fig. II, is journaled on the stud shaft 84 at the free end of the lever 85 which has its fulcrum on the stud shaft 86 in the bracket 81 fixed on said carriage plate. The spring 88 which extends from the stud 89 on said 20 lever 85 to the stud 96 on the bracket SI pendent en"com said carriage plate I3 continually stresses said tape presser roll 83 toward the surface of said plate. The effect of that arrangement is that when the carriage has been progressed to the left, the distance from the discharge outlet 48 of the tank 46 to the axis of said tape presser roll 83, the free end of the tape 5I, coated with elastic cement 16 upon its under surface, is applied to the edge of the fabric coated with the strip of cement 50 and, under pressure of the roll 83, is pressed thereon during the continued progress of the carriage to the left in Fig. I until the opposite end of the rug is reached. Thus the entire operation of finishing and binding a cut edge of the fabric 2 is effected during a single traverse of the carriage from right to left under the actuation of the motor I6.

I nd it convenient to provide an adjustable stop 93, indicated in dotted lines in Fig. I, located beyond the left hand end of the edge of the frabric to be bound, far enough to permit the carriage to lay the tape to that end of the fabric before the clutch lever 35 is thrust to the right in Fig. I to disengage the clutch sleeve 32 and 45 thus stop the traverse of said carriage.

Said presser roll 56 is merely convenient means for maintaining the edge of the fabric Z in cooperative relation with the fabric guide 4I on the carriage plate I 3, and may be omitted. Moreover, the combing roll 6I! is only useful when it is desired to turn back from the edge of the fabric to be bound free elements of the fabric such as the warp ends 44. Therefore, if the edge of the fabric to be bound does not have such free elements to be turned back, said combing roll 59 may be omitted. Furthermore, means other than the tape presser roll 83 may be employed to apply the tape 5I to the edge to be bound. Therefore, I do not desire to limit myself to the 60 precise details of construction and arrangement or method of operation above set forth. as it is obvious that various modifications may be made J#herein without departing from the essentiaI features of my invention, as defined in the appended claims.

I claim:

l. In apparatus for binding cut edges of pile fabrics; the combination with a table for spporting the fabric and a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said tracl: and having a truck base provided with traction wheels for engagement with said track, and a top plate rigidly connected with said base and having its top extending in a plane substantially that of the top of said table; means on said truck for progressing it on said track, including an electric motor and means operatively connecting said motor with one of said traction wheels; means between said electric motor and said driven traction wheel, whereby said traction Wheel may be connected and disconnected with 4respect to said motor, to control the movement of said carriage, including a movable clutch; a guide on said carriage plate for the edge of the fabric to be bound; a cement tank supported by said carriage plate having a discharge opening for applying a coating of cement in a strip along the edge of the fabric to be bound, and -a valve for controlling said discharge outlet; a gear housing on said carriage plate; a presser roll; a hand lever carrying said presser roll with its axis parallel with the top of said plate and at right angles to the edge of said table; a fulcrum on said housing for said lever; a spring continually stressing said lever and presser roll toward the top of said plate adjoining said fabric guide; a combing roll including a cylindrical tubular band having a serrated edge; a shaft journaled in said housing With its axis parallel with the top of said carriage plate and with the edge of said table, presenting the serrated edge of said combing roll adjoining said fabric guide and presser roll; means for rotating said combing roll with its undersurface in spaced relation with the top of said plate and in the direction toward the edge of the table, including a shaft journaled in said housing with its axis transverse to the axis of said combing roll, and means connecting that transverse shaft with said electric motor; means for upwardly thrusting the fabric beneath said combing roll, into cooperative relation therewith, including a platen supported by said carriage plate mounted to reciprocate toward and away from the axis of said combing roll, and spring means continually pressing said platen toward said combing roll; means on said carriage plate for supporting a roll of binding tape; means for applying cement to the undersurface of said t-ape including a cement receptacle on said carriage plate, a cement roller journaled in said receptacle so as to dip into cement contained therein and extending labove said receptacle; a tape guide roll between said support for the roll of tape and said cement roller; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulf crum in fixed relation with said carriage plate; and spring means continually stressing said tape presser roll toward the surface of said plate; whereby, when said motor is energized, said combing roll is rotated to comb free elements of the fabric toward the edge of the table, andr when said clutch is connected, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby to apply cement from said tank to the edge of the fabric which is to be bound, before the free elements of the fabric are combed over said edge by said combing roll and said tape is applied in adherent relation with the edge to be bound after said combing operation, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.V

2. In apparatus for binding Vcut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having wheels for engagement with said track, and a top plate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, including a motor and means operatively connecting said motor with one of said wheels; means between said motor and the driven wheel, whereby that wheel may be connected and disconnected with respect to said motor, to control the movement of said carriage, including a movable clutch; a guide on said carriage plate for the edge of the fabric to be bound; a cement tank on said carriage having a discharge opening for applying a coating of cement in a strip along the edge of the fabric to be bound, and means for controlling said discharge outlet; a presser roll, a hand lever carrying said presser roll with its axis parallel with the top of said plate and at right angles to the edge of said table; a fulcrum on said carriage for said lever; a spring continually stressing said lever and presser roll toward the top of vsaid plate adjoining said fabric guide; a combing roll including a cylindrical tubular band having a serrated edge; a shaft journaled on said carriage with its axis parallel with the top of said carriage plate land with the edge of said table, presenting the serrated edge of said combing roll adjoining said fabric guide and presser roll; means for rotating said combing roll with its undersurface in spaced relation with the top of said plate and in the direction toward the edge of the table, including a shaft connected with said motor; means for upwardly thrusting the fabric beneath said combing roll, into cooperative relation therewith, including a platen supported by said carriage to reciprocate toward and away from the axis of said combing roll, and spring means continually stressing said platen toward said combing roll; means on said carriage for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulcrum on said carriage; and spring means continually stressing said tape presser roll toward the surface of said plate;

whereby, when said motor is energized, said combing roll is rotated to comb free elements of the fabric toward the edge of the table,V and when said clutch is connected, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby to apply cement from said tank to the edge of the fabric which is to be bound, before the free elements of the fabric are combed over said edge by said combing roll and said tape is applied in adherent relation with the edge to be bound after said combing operation, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.

3. In apparatus for binding cut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having wheels for engagement with said track, and a top Vplate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, including a motor and means operatively connecting said mo-tor with one of said wheels; means between said motor and the driven wheel, whereby that wheel may be connected and disconnected with respect to said motor, to control the movement of said carriage, including a movable clutch; a guide on said carriage plate for the edge of the fabric to be bound; a cement tank on said carriage having a discharge opening for applying a coating of cement in a strip along the edge of the fabric to be bound, and means for controlling said discharge outlet; a presser roll; a hand lever carrying said presser roll with its axis parallel with the top of said plate and at right angles to thev edge of said table; a fulcrum on said carriage for said lever; a spring continually stressing said lever and presser roll toward the top of said plate adjoining said fabric guide; means on said carriage for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulcrum on said carriage; and spring means continually stressing said tape presser roll toward the surface of said plate; whereby, when said motor is energized, and when said clutch is connected, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby to apply cement from said tank to the edge of the fabric which is to be bound, and said tape is applied in adherent relation with the edge to be bound, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.

4. In apparatus for binding cut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having wheels for engagement with said track, and a top plate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, including a motor and means operatively connecting said motor with one of said wheels; means between said motor and the driven wheel, whereby that wheel may be connected and disconnected with respect to said motor, to control the movement of said carriage, including a movable clutch; a guide on said carriage plate for the edge of the fabric to be bound; a cement tank on said carriage having a discharge opening for applying a coating of cement in a strip along the edge of the fabric to be bound, and means for controlling said discharge outlet; means on said carriage for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulcrum on said carriage; and spring means continually stressing said tape presser roll toward the surface of said plate; whereby, when said motor is energized, and when said clutch is connected, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby to apply cement from said tank to the edge of the fabric which is to be bound, and said tape is applied in adherent relation with the edge to be bound, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.

5. In apparatus for binding cut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having Wheels for engagement with said track, and a top plate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, including a motor and means operatively connecting said motor with one of said wheels; means between said motor and the driven wheel, whereby that wheel may be connected and disconnected with respect to said motor, to control the movement of said carriage, including a movable clutch; a guide for the edge of the fabric to be bound; a cement tank on said carriage having a discharge opening for applying a coating of cement in a strip along the edge of the fabric to be bound,

and means for controlling said discharge outlet;

means for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulcrum on said carriage; and spr-ing means continually stressing said tape presser roll toward the surface of said plate;

whereby, when said motor is energized, and when said clutch is connected, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby to apply cement from said tank to the edge of the fabric which is to be bound, and said tape is applied in adherent relation with the edge to be bound, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.

6. In apparatus for binding cut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having wheels for engagement with said track, and a top plate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, in-

cluding a motor and means operatively connecting said motor with one of said wheels; means on said carriage for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; a tape presser roll having its axis transverse to the edge of said table; a lever carrying said tape presser roll and having a fulcrum on said carriage; and spring means continually stressing said tape presser roll toward the surface of said plate; whereby, when said motor is energized, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby, and said tape is applied in adherent relation With the edge to be bound, and the entire binding operation effected during a single traverse of said carriage on said track in one direction,

'7. In apparatus for binding cut edges of pile fabrics; the combination with a table for supporting the fabric and having a substantially straight edge; of a track adjoining said table edge; a carriage arranged to traverse said track and having wheels for engagement with said aoaae'rs track, and a top plate extending in a plane substantially that of the top of said table; means on said carriage for progressing it on said track, including a motor and means operatively connecting said motor with one of said Wheels; means on said carriage for supporting a roll of binding tape; means for applying cement to the undersurface of said tape including a cement receptacle, a cement roller journaled to dip into cement within and extending above said receptacle; and means on said carriage for applying said tape to the edge of the fabric to be bound; whereby, when said motor is energized, said carriage is progressed in one direction parallel with the edge of said table and the fabric supported thereby and said tape is applied in adherent relation with the edge to be bound, and the entire binding operation effected during a single traverse of said carriage on said track in one direction.

8. In apparatus for treating the edge of a fabric, the combination with a table for supporting the fabric; of a track extending along one edge of said table; a carriage arranged to traverse said track; means on said carriage for stressing the margin of said fabric away from said table toward said carriage, including a presser roll with its axis transverse to said table edge and having a screw thread on its circumference; a guide on s aid carriage for the edge of said fabric stressed by said roller and limiting the effect of the latter; and means on said carriage for applying a liquid to the margin of said fabric at the table edge during the traverse of said carriage on said track.

9. In apparatus for treating the edge of a fabric, the combination with a table for supporting the fabric; of a track extending along one edge of said table; a carriage arranged to traverse said track; means on said carriage for stressing the margin of said fabric away from said table toward said carriage; a guide on said carriage for the edge of said fabric stressed by said stressing means and limiting thev effect of the latter; and means on said carriage for applying a liquid to the margin of said fabric at the table edge during the traverse of said carriage on said track.

10. In apparatus for treating the edge of a fabric, the combination with a table for supporting the fabric; of a track extending along one edge of said table; a carriage arranged to traverse said track; means on said carriage for stressing the margin of said fabric away from said table toward said carriage; a guide on said carriage for the edge of said fabric stressed by said stressing means and limiting the effect of the latter; and means on said carriage for applying an adhesive tape to the margin of said fabric at the table edge during the traverse of said carriage on said track.

11. In apparatus for treating the edge of a fabric, the combination with a table for supporting the fabric; of a track extending along one edge of said table; a carriage arranged to traverse said track; guiding means, on said carriage, for permanentaly folding back the thread ends at the edge of the fabric to be treated and means on said carriage for applying a liquid to the margin of said fabric at the table edge during) the traverse of said carriage on said track.

12. In apparatus for treating the edge of a fabric, the combination with a table for supporting the fabric; .of a track extending along one edge of said table; a carriage arranged to traverse said track; guiding means, on said carriage, for permanentaly folding back the thread ends at the edge of the fabric to be treated and means on said carriage for applying an adhesive tape to the margin of said fabric at the table edge during the traverse of said carriage on said track.

WILLIAM ALWARD ANDERSON. 

